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Check the following:
• Applicable START light
comes on.
• IGNITION A (B) ON light
comes on.
• IGNITION A (B) advisory
message comes on.
When N2 reaches 20% RPM and ITT is below 120°C:
(11) Thrust lever of starting engine..........................Advance to IDLE.
NOTE
If ITT is greater than 120°C prior to start, engine must be dry motored
to lower ITT to 120°C before moving thrust lever to IDLE. The starter
cranking limit of 90 seconds for first attempt must be adhered to.
(12) Engine instruments.............................................Monitor Check the following:
• Starter disengages at 55%
N2.
• IGNITION A (B) advisory
message goes out.
• ITT is 450 – 600°C (max.
during start is 900°C).
• N1 stabilizes and does not
drop below 22% RPM.
• Check that oil pressure is
within normal range [above
25 psi (174 kPa)].
(13) APU EGT indications............................................Check within normal limits.
(14) Idle speed.............................................................Check N2 variation between engines
is within 2%. If greater, notify
maintenance personnel.
D. Engine Start Procedure (External Air with AC Power)
(1) BLEED AIR, APU LCV switch/light..................Press out to close load control valve.
Check APU LCV OPEN light
out.
NORMAL PROCEDURES
Engine Starting
Vol. 1 04−05−7
REV 66, Feb 01/07
▼
CL−604 Operating Manual
PSP 604−6
1. ENGINE STARTING (CONT'D)
D. Engine Start Procedure (External Air with AC Power) (Cont’d)
(2) External air ................................................... Connected Verify 45 psi minimum bleed
air pressure on status page.
NOTE
The external air source must be capable of supplying 45 psi manifold
pressure at the initiation of start, however, lower pressure units,
dependent upon altitude and flow, have been proven satisfactory.
(3) L (R) ENG START switch/light ..............................Press to start applicable engine.
Check the following:
• Applicable START light
comes on.
• IGNITION A (B) ON light
comes on.
• IGNITION A (B) advisory
message comes on.
• Check that there is positive
bleed air pressure.
When N2 reaches 20% RPM and ITT is below 120°C:
(4) Left or right thrust lever ....................................Advance applicable lever to IDLE.
NOTE
If ITT is greater than 120°C prior to start, engine must be dry motored
to lower ITT to 120°C before moving thrust lever to IDLE. The starter
cranking limit of 90 seconds for first attempt must be adhered to.
(5) Engine instruments.............................................Monitor Check the following:
• Starter disengages at 55%
N2.
• IGNITION A (B) advisory
message goes out.
• ITT is 450 – 600°C (max.
during start is 900°C).
• N1 stabilizes and does not
drop below 22% RPM.
• Check that oil pressure is
within normal range [above
25 psi (174 kPa)].
(6) Fuel system check valve
operation ...............................................................Verify 1
NORMAL PROCEDURES
Engine Starting
Vol. 1 04−05−8
REV 66, Feb 01/07
▼
CL−604 Operating Manual
PSP 604−6
1. ENGINE STARTING (CONT'D)
D. Engine Start Procedure (External Air with AC Power) (Cont’d)
(a) FUEL, L and R BOOST PUMP
switch/lights .............................................Press out to turn both boost pumps off.
Check the following:
• L and R BOOST PUMP ON
lights out.
• L and R BOOST PUMP
INOP lights on.
• L and R FUEL PUMP ON
advisory messages out.
• FUEL LO PRESS caution
message is annunciated for
the non-operating engine.
After 2 minutes, if FUEL LO PRESS caution message is still not displayed for the
non-operating engine:
(b) Dry motor..............................................Accomplish for maximum of 30 seconds
on the non-started engine.
Applicable FUEL LO PRESS
caution message should be
displayed during motoring as
the residual fuel pressure is
reduced.
CAUTION
Absence of FUEL LO PRESS caution message during this check is an
indication that the fuel feed check valve has failed in the open position.
(7) FUEL, L and R BOOST PUMP
switch/lights .......................................................Press in to turn both boost pumps on.
Check the following:
• L and R BOOST PUMP ON
　
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